package com.jeecg.student.controller;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.ConstraintViolation;
import javax.validation.Validator;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.hibernate.criterion.Restrictions;
import org.jeecgframework.core.beanvalidator.BeanValidators;
import org.jeecgframework.core.common.controller.BaseController;
import org.jeecgframework.core.common.exception.BusinessException;
import org.jeecgframework.core.common.hibernate.qbc.CriteriaQuery;
import org.jeecgframework.core.common.model.json.AjaxJson;
import org.jeecgframework.core.common.model.json.DataGrid;
import org.jeecgframework.core.constant.Globals;
import org.jeecgframework.core.util.ConvertUtils;
import org.jeecgframework.core.util.ExceptionUtil;
import org.jeecgframework.core.util.MyBeanUtils;
import org.jeecgframework.core.util.ResourceUtil;
import org.jeecgframework.core.util.StringUtil;
import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.entity.vo.NormalExcelConstants;
import org.jeecgframework.tag.core.easyui.TagUtil;
import org.jeecgframework.web.system.service.SystemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.UriComponentsBuilder;

import com.alibaba.fastjson.JSON;
import com.jeecg.common.Assert;
import com.jeecg.gleave.entity.GLeaveEntity;
import com.jeecg.query.QueryOrderDirection;
import com.jeecg.query.SQLSubquery;
import com.jeecg.student.entity.GStudentEntity;
import com.jeecg.student.service.GStudentServiceI;

/**   
 * @Title: Controller  
 * @Description: 学生
 * @author onlineGenerator
 * @date 2018-03-29 15:38:58
 * @version V1.0   
 *
 */
@Controller
@RequestMapping("/gStudentController")
public class GStudentController extends BaseController {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(GStudentController.class);

	@Autowired
	private GStudentServiceI gStudentService;
	@Autowired
	private SystemService systemService;
	@Autowired
	private Validator validator;
	


	/**
	 * 学生列表 页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "list")
	public ModelAndView list(HttpServletRequest request) {
		return new ModelAndView("com/jeecg/student/gStudentList");
	}

	/**
	 * easyui AJAX请求数据
	 * 
	 * @param request
	 * @param response
	 * @param dataGrid
	 * @param user
	 */

	@RequestMapping(params = "datagrid")
	public void datagrid(GStudentEntity gStudent,HttpServletRequest request, HttpServletResponse response, DataGrid dataGrid) {
		CriteriaQuery cq = new CriteriaQuery(GStudentEntity.class, dataGrid);
		//查询条件组装器
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, gStudent, request.getParameterMap());
		try{
		//自定义追加查询条件
		}catch (Exception e) {
			throw new BusinessException(e.getMessage());
		}
		cq.add();
		this.gStudentService.getDataGridReturn(cq, true);
		TagUtil.datagrid(response, dataGrid);
	}
	/**
	 * @param gStudent
	 * @param request
	 * @param response
	 * @param dataGrid
	 * @return
	 */
	  @RequestMapping(params = "datagrid2")
	  @ResponseBody
	  public AjaxJson datagrid2(GStudentEntity gStudent, HttpServletRequest request,
	      HttpServletResponse response, DataGrid dataGrid) {
		  String stuClass = ConvertUtils.getString(request.getParameter("stuClass"));
	    CriteriaQuery cq = new CriteriaQuery(GStudentEntity.class, dataGrid);
	    // 查询条件组装器
	    org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, gStudent);
	    try {
	      // 自定义追加查询条件
	    	if(stuClass != null){
	    		cq.eq("stuClass", stuClass);
	    		}
	    } catch (Exception e) {
	      throw new BusinessException(e.getMessage());
	    }
	    cq.add();
	    this.gStudentService.getDataGridReturn(cq, true);
	    return AjaxJson.ok(dataGrid);
	  }
	  
	  /**
	   * AJAX请求数据
	   * 
	   * @param request
	   * @param response
	   * @param dataGrid
	   * @param user
	   */
	  @RequestMapping(params = "datagrid3")
	  @ResponseBody
	  public AjaxJson datagrid3(GStudentEntity gStudent, HttpServletRequest request,
		      HttpServletResponse response, DataGrid dataGrid) {
	    SQLSubquery query = new SQLSubquery(GStudentEntity.class, "o");
	    query.addSelect("distinct(o)");
         String name = request.getParameter("name");
         if(name != null){
        	 gStudent.setName(name);
         }
         String stuClass = request.getParameter("stuClass");
         if(stuClass != null){
        	 gStudent.setStuClass(stuClass);
         }
	    if (StringUtils.isNotBlank(gStudent.getName())) {
	      query.addCondition("o.name like ?", '%' + gStudent.getName() + '%');
	    }

	    if (StringUtils.isNotBlank(gStudent.getStuClass())) {
	      query.addCondition("o.stuClass like ?", '%' + gStudent.getStuClass() + '%');
	    }


	    if (!StringUtils.isBlank(dataGrid.getSort())) {
	      query.addOrder("o." + dataGrid.getSort(), dataGrid.getOrder() == null
	          ? QueryOrderDirection.asc : QueryOrderDirection.valueOf(dataGrid.getOrder()));
	    }

	    this.gStudentService.query(query, dataGrid);
	    return AjaxJson.ok(dataGrid);
	  }
	
	/**
	 * 删除学生
	 * 
	 * @return
	 */
	@RequestMapping(params = "doDel")
	@ResponseBody
	public AjaxJson doDel(GStudentEntity gStudent, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		gStudent = systemService.getEntity(GStudentEntity.class, gStudent.getId());
		message = "学生删除成功";
		try{
			gStudentService.delete(gStudent);
			systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "学生删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	
	/**
	 * 批量删除学生
	 * 
	 * @return
	 */
	 @RequestMapping(params = "doBatchDel")
	@ResponseBody
	public AjaxJson doBatchDel(String ids,HttpServletRequest request){
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "学生删除成功";
		try{
			for(String id:ids.split(",")){
				GStudentEntity gStudent = systemService.getEntity(GStudentEntity.class, 
				id
				);
				gStudentService.delete(gStudent);
				systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
			}
		}catch(Exception e){
			e.printStackTrace();
			message = "学生删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}


	/**
	 * 添加学生
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doAdd")
	@ResponseBody
	public AjaxJson doAdd(GStudentEntity gStudent, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "学生添加成功";
		try{
			gStudentService.save(gStudent);
			systemService.addLog(message, Globals.Log_Type_INSERT, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "学生添加失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	@RequestMapping(params = "doAdd2")
	@ResponseBody
	public AjaxJson doAdd2(@RequestBody GStudentEntity gStudent, HttpServletRequest request) throws Exception {
	  if(gStudent.getId() != null){
		  GStudentEntity stu = gStudentService.getStudent(gStudent.getId());
		  stu.setStuPassword(gStudent.getStuPassword());
		  gStudentService.save(stu);
		  return AjaxJson.ok(true);
	  }else{
		  return AjaxJson.ok("修改密码错误");
	  }
	}
	@RequestMapping(params = "get")
	@ResponseBody
	public AjaxJson get(GStudentEntity gStudent, HttpServletRequest request) throws Exception {
		String id  =  request.getParameter("id");
		GStudentEntity stu = gStudentService.getStudent(id);
		return AjaxJson.ok(stu);
	}
	
	/**
	 * 更新学生
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doUpdate")
	@ResponseBody
	public AjaxJson doUpdate(GStudentEntity gStudent, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "学生更新成功";
		GStudentEntity t = gStudentService.get(GStudentEntity.class, gStudent.getId());
		try {
			MyBeanUtils.copyBeanNotNull2Bean(gStudent, t);
			gStudentService.saveOrUpdate(t);
			systemService.addLog(message, Globals.Log_Type_UPDATE, Globals.Log_Leavel_INFO);
		} catch (Exception e) {
			e.printStackTrace();
			message = "学生更新失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	

	/**
	 * 学生新增页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "goAdd")
	public ModelAndView goAdd(GStudentEntity gStudent, HttpServletRequest req) {
		if (StringUtil.isNotEmpty(gStudent.getId())) {
			gStudent = gStudentService.getEntity(GStudentEntity.class, gStudent.getId());
			req.setAttribute("gStudentPage", gStudent);
		}
		return new ModelAndView("com/jeecg/student/gStudent-add");
	}
	/**
	 * 学生编辑页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "goUpdate")
	public ModelAndView goUpdate(GStudentEntity gStudent, HttpServletRequest req) {
		if (StringUtil.isNotEmpty(gStudent.getId())) {
			gStudent = gStudentService.getEntity(GStudentEntity.class, gStudent.getId());
			req.setAttribute("gStudentPage", gStudent);
		}
		return new ModelAndView("com/jeecg/student/gStudent-update");
	}
	
	/**
	 * 导入功能跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "upload")
	public ModelAndView upload(HttpServletRequest req) {
		req.setAttribute("controller_name","gStudentController");
		return new ModelAndView("common/upload/pub_excel_upload");
	}
	
	/**
	 * 导出excel
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXls")
	public String exportXls(GStudentEntity gStudent,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
		CriteriaQuery cq = new CriteriaQuery(GStudentEntity.class, dataGrid);
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, gStudent, request.getParameterMap());
		List<GStudentEntity> gStudents = this.gStudentService.getListByCriteriaQuery(cq,false);
		modelMap.put(NormalExcelConstants.FILE_NAME,"学生");
		modelMap.put(NormalExcelConstants.CLASS,GStudentEntity.class);
		modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("学生列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
			"导出信息"));
		modelMap.put(NormalExcelConstants.DATA_LIST,gStudents);
		return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	/**
	 * 导出excel 使模板
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXlsByT")
	public String exportXlsByT(GStudentEntity gStudent,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
    	modelMap.put(NormalExcelConstants.FILE_NAME,"学生");
    	modelMap.put(NormalExcelConstants.CLASS,GStudentEntity.class);
    	modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("学生列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
    	"导出信息"));
    	modelMap.put(NormalExcelConstants.DATA_LIST,new ArrayList());
    	return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	
	@SuppressWarnings("unchecked")
	@RequestMapping(params = "importExcel", method = RequestMethod.POST)
	@ResponseBody
	public AjaxJson importExcel(HttpServletRequest request, HttpServletResponse response) {
		AjaxJson j = new AjaxJson();
		
		MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
		Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
		for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
			MultipartFile file = entity.getValue();// 获取上传文件对象
			ImportParams params = new ImportParams();
			params.setTitleRows(2);
			params.setHeadRows(1);
			params.setNeedSave(true);
			try {
				List<GStudentEntity> listGStudentEntitys = ExcelImportUtil.importExcel(file.getInputStream(),GStudentEntity.class,params);
				for (GStudentEntity gStudent : listGStudentEntitys) {
					gStudentService.save(gStudent);
				}
				j.setMsg("文件导入成功！");
			} catch (Exception e) {
				j.setMsg("文件导入失败！");
				logger.error(ExceptionUtil.getExceptionMessage(e));
			}finally{
				try {
					file.getInputStream().close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return j;
	}
	
	@RequestMapping(method = RequestMethod.GET)
	@ResponseBody
	public List<GStudentEntity> list() {
		List<GStudentEntity> listGStudents=gStudentService.getList(GStudentEntity.class);
		return listGStudents;
	}
	
	@RequestMapping(value = "/{id}", method = RequestMethod.GET)
	@ResponseBody
	public ResponseEntity<?> get(@PathVariable("id") String id) {
		GStudentEntity task = gStudentService.get(GStudentEntity.class, id);
		if (task == null) {
			return new ResponseEntity(HttpStatus.NOT_FOUND);
		}
		return new ResponseEntity(task, HttpStatus.OK);
	}

	@RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE)
	@ResponseBody
	public ResponseEntity<?> create(@RequestBody GStudentEntity gStudent, UriComponentsBuilder uriBuilder) {
		//调用JSR303 Bean Validator进行校验，如果出错返回含400错误码及json格式的错误信息.
		Set<ConstraintViolation<GStudentEntity>> failures = validator.validate(gStudent);
		if (!failures.isEmpty()) {
			return new ResponseEntity(BeanValidators.extractPropertyAndMessage(failures), HttpStatus.BAD_REQUEST);
		}

		//保存
		try{
			gStudentService.save(gStudent);
		} catch (Exception e) {
			e.printStackTrace();
			return new ResponseEntity(HttpStatus.NO_CONTENT);
		}
		//按照Restful风格约定，创建指向新任务的url, 也可以直接返回id或对象.
		String id = gStudent.getId();
		URI uri = uriBuilder.path("/rest/gStudentController/" + id).build().toUri();
		HttpHeaders headers = new HttpHeaders();
		headers.setLocation(uri);

		return new ResponseEntity(headers, HttpStatus.CREATED);
	}

	@RequestMapping(value = "/{id}", method = RequestMethod.PUT, consumes = MediaType.APPLICATION_JSON_VALUE)
	public ResponseEntity<?> update(@RequestBody GStudentEntity gStudent) {
		//调用JSR303 Bean Validator进行校验，如果出错返回含400错误码及json格式的错误信息.
		Set<ConstraintViolation<GStudentEntity>> failures = validator.validate(gStudent);
		if (!failures.isEmpty()) {
			return new ResponseEntity(BeanValidators.extractPropertyAndMessage(failures), HttpStatus.BAD_REQUEST);
		}

		//保存
		try{
			gStudentService.saveOrUpdate(gStudent);
		} catch (Exception e) {
			e.printStackTrace();
			return new ResponseEntity(HttpStatus.NO_CONTENT);
		}

		//按Restful约定，返回204状态码, 无内容. 也可以返回200状态码.
		return new ResponseEntity(HttpStatus.NO_CONTENT);
	}

	@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
	@ResponseStatus(HttpStatus.NO_CONTENT)
	public void delete(@PathVariable("id") String id) {
		gStudentService.deleteEntityById(GStudentEntity.class, id);
	}
}
